578 METHODS AND FORMULAS MS 33.1 



33.1 Foot 1927a 1887a, 4:42 



preparation: Add 0.1 40% potassium hydroxide to 10 1% silver nitrate. Add just 

 enough ammonia to redissolve ppt. Dilute to 100 ml. 



33.1 Foot 1927b 1887a, 4:212 



preparation: To 10 10% silver nitrate add 10 sat. aq. sol. (circ. 1.5%) lithium car- 

 bonate. Allow ppt. to settle. Decant. Wash ppt. by decantation several times. Sus- 

 pend washed ppt. in 25 water. Add enough ammonia to not quite dissolve ppt. Dilute 

 to 100. Filter. 



33.1 Gatenby and Stern 1937 Gatenby and Painter 1937, 487 



preparation: Add 0.6 ml. 40% sodium hydroxide to 20 20% silver nitrate. Add just 

 enough ammonia to dissolve ppt. Dilute to 100. Filter. 



33.1 Glees, Meyer, and Meyer 1946 11025, 80:101 



preparation: To 100 10% silver nitrate in 50% ale, add just enough ammonia to redis- 

 solve the ppt. first formed. 



33.1 Gluck 1938 test. 1939 Foot 4349, 19:169 



preparation: To 10 10% silver nitrate add 0.5 40% sodium hydroxide. Wash ppt. by 

 decantation and add just enough ammonia to dissolve ppt. Dilute to 100, and add 

 2 pyridine. 



33.1 Gluckman 1943 4285a, 20:132 



preparation: To 100 15% silver nitrate add just enough ammonia to redissolve the 

 ppt. first formed. 



33.1 Gomori 1937 608b, 13:993 



preparation: Mix 10 10% potassium hydroxide with 40 10% silver nitrate. Add am- 

 monia till ppt. dissolved. Add 10% silver nitrate drop by drop until ppt. just redis- 

 solves on shaking. Dilute to 100 ml. 



33.1 Gomori 1946 591b, 10:177 



preparation: Add 5 5% silver nitrate to 100 3% methenamine. Shake until ppt. is 

 dissolved. 



33.1 Gordon 1936 11284,22:294 



preparation: To 5 10% silver nitrate add just enough ammonia to redissolve ppt. first 

 formed. Add 5 3% sodium hydroxide. Again add just enough ammonia to dissolve ppt. 

 Dilute to 100. 



33.1 Gordon and Sweets 1936 608b, 12:545 



preparation: To 10 10% silver nitrate add just enough ammonia to redissolve ppt. 

 first formed. Add 10 3% sodium hydroxide. Again add just enough ammonia to dis- 

 solve ppt. Dilute to 100 ml. 



33.1 Gros-Schultze test. 1938 Mallory Mallory 1938, 227 



preparation: Prepare a stock solution by adding just enough ammonia to 100 20% 

 silver nitrate to redissolve the ppt. first formed. Prepare working solution by adding 

 about 2 (more or less according to experience) ammonia to 100 stock. 

 note: This solution is given as "Gros" (without reference) by Cajal and de Castro 

 1933, 178. 



33.1 Gros 1933 see MS 33.1 Gros-Schultze 1938 (note) 



33.1 Herrera 1932 test. 1933 Cajal and de Castro Cajal and de Castro 1933, 275 



preparation: To 20 5% potassium oxalate add 5 10% silver nitrate and 0.3 abs. ale. 

 Add just enough 33 % ethylamine to dissolve ppt. Dilute to 100. 



33.1 Holmes 1942 11431, 64:132 



preparation: To 100 0.01% silver nitrate add 1 drop ammonia. 



33.1 Jalowy 1937 23639b, 27 :667 



preparation: Add 1 40% sodium hydroxide to 20 10% silver nitrate. Mix thoroughly 

 and filter. Wash ppt. thoroughly and suspend in 20 water. Add just enough ammonia 

 to dissolve ppt. Dilute to 100 ml. 



